Section 8 · Pages 327–336 (10 pages)
Air Management System
From the 1991 GMC Light Duty Truck Fuel, Emissions and Driveability Manual
The air injection (AIR) management system: purpose and operation, diagnosis, and service of the drive belt, air pump and centrifugal filter fan, air control valve, check valve and air injection pipes.
Read this section free, starting at page 327What this section covers
- AIR system operation
- Diagnosis
- Drive belt and air pump
- Air control valve and check valve
- Air injection pipe assembly
- Year
- 1991
- Make
- GMC
- Vehicle
- C/K Trucks, G Vans, Light Duty Trucks, M Vans (Astro/Safari), P Forward Control, R/V Trucks, S/T Trucks, Trucks
- Models
- C/K, R/V, P, G, S/T, M 10–30
- Publication
- X-9136
- Pages
- 406
What’s inside
Fuel and emissions manual
- 1General Informationpp. 7–24
- 2Driveability Symptomspp. 25–44
- 3Computer Command Control (Scan Tool Diagnosis)pp. 45–254
- 4Fuel Control System (TBI 220 and 700)pp. 255–300
- 5Evaporative Emission Control System (EECS)pp. 301–308
- 6Ignition System and ESTpp. 309–318
- 7Electronic Spark Control (ESC)pp. 319–326
- 8Air Management Systempp. 327–336
- 9Exhaust Gas Recirculation (EGR) Systempp. 337–352
- 10Automatic and Manual Transmission Controlspp. 353–360
- 11Positive Crankcase Ventilation (PCV)pp. 361–366
- 12Thermostatic Air Cleaner (THERMAC)pp. 367–372
- 13Special Toolspp. 373–380
- 14Abbreviations and Glossary of Termspp. 381–384
- IndexAlphabetical index of subjects with section and page references.pp. 385–406







